Interactive
CK-12 Foundation

Topographic and Geologic Maps: Topographic Maps

For Students 9th - 12th
Maps are great for helping you get where you're going, but what does that place actually look like? Geology scholars compare and contrast the features of topographical and geologic maps using an interactive lesson. The resource describes...
Interactive
Curated OER

Servo Motor Systems

For Students 10th - Higher Ed
In this electrical circuit worksheet, students answer  a series of 9 open-ended questions with schematics about motors and how they are used within certain types of electrical circuits.  This worksheet is printable and there...
Interactive
Curated OER

Overcurrent Protection

For Students 9th - Higher Ed
In this electrical worksheet, students answer a series of 13 open-ended questions with schematics about excessive electrical current going through conductors. This worksheet is printable and there are on-line answers to the questions.
Interactive
Curated OER

Circuits- Lock-out/ Tag-out

For Students 10th - 12th
In this circuits learning exercise, students answer eight questions about different types of circuits, grounding cables to reduce electric shock, circuit breakers and locking and tagging a disconnect device.